She looks down at him, apparently amused but unimpressed by his tactics (and not for picking a lock), and then pretends to decide to humor him, regardless, nesting her hands in his hair as she leans back against the car. For all intents and purposes, it looks like he's eating her out or building up to it. It's not something that won't get them in trouble, if they're caught, for all that they're still in public, but it'll be less of an issue than if someone stumbles by and realizes they're stealing a car.

She feigns disappointment and breathlessness, both, as he stands again, and then turns them, to push him into the car, still carrying the act.